This is an example of mega menu dropdown. You can edit it from admin panel -> HTML Blocks -> Menu shop.
All these pages are not included with a dummy content. You can configure your shop page as you need in Theme Settings -> Shop.
Sago (/ˈseɪɡoʊ/) is a starch extracted from the spongy centre, or pith, of various tropical palm stems, especially those of Metroxylon sagu. The largest supply of sago comes from Southeast Asia, particularly Indonesia and Malaysia. It's commonly used in cooking and making deserts.